Loan features

Fixed vs variable home loans

Compare repayment certainty, flexibility, offset access, break costs, and rate movement before choosing fixed or variable.

Updated: 29 July 2026
Read time: 7 min read
Reviewed by: emoney broker team

Key checks before you decide

Reviewed by emoney broker team. Updated 29 July 2026. Sources are listed below.

Compare certainty, flexibility, break costs, features, and fixed-expiry timing before choosing a rate structure.
Check whether offset, redraw, extra repayments, and switching flexibility change under the product being reviewed.
Model repayments at more than one rate before relying on a fixed, variable, or split structure.
Ask what happens if you sell, refinance, repay extra, or need equity during the fixed period.

In this guide6 sections

Fixed can improve certainty Variable can improve flexibility A split loan may be considered Check the end of the fixed period early Model repayment movement before choosing Ask what the rate structure changes

Fixed can improve certainty

A fixed rate can make repayments more predictable during the fixed period. That can help with budgeting, especially if a borrower wants certainty about the repayment amount for a while.

The trade-off is flexibility. Fixed loans may limit extra repayments, redraw, offset access, switching, and early payout. If the loan is changed before the fixed period ends, break costs may apply depending on the lender and market conditions.

Fixing should be discussed in the context of cash flow, expected property plans, extra repayment goals, and whether the borrower may need to refinance, sell, renovate, or access equity during the fixed period.

The borrower should also look past the fixed period. A fixed loan can feel calm today but create a decision point later when the loan rolls to a revert rate or needs a refix, split, or refinance review.

Rate structure	What it can help with	Main trade-offs to check
Fixed	Repayment certainty during the fixed period.	Break costs, extra repayment limits, offset or redraw restrictions, and expiry/revert timing.
Variable	Flexibility, repricing, offset/redraw access, and easier review.	Repayments can rise or fall when rates or lender pricing change.
Split	Some certainty on one part and some flexibility on the other.	More moving parts, feature limits by split, and review needed before fixed expiry.
Interest-only period	Lower required repayments for a set period in some scenarios.	Higher later repayments, purpose checks, and whether the structure fits the goal.
Introductory or package option	Short-term pricing or bundled features.	Revert rate, ongoing fees, package value, and whether features are actually used.

Check the fixed period and revert rate.
Ask about extra repayment limits.
Ask whether offset or redraw is available.
Check break cost rules before fixing.

Variable can improve flexibility

A variable rate can move up or down as lending markets change. Variable loans may also offer more flexible features, depending on the lender and product.

The main risk is repayment movement. If rates rise, repayments can increase and the household budget may need to absorb the change. If rates fall, repayments may reduce or the borrower may choose to keep paying more to reduce the loan faster.

Variable loans are often discussed when borrowers want extra repayment flexibility, offset, redraw, easier switching, or the option to review the loan more regularly.

A variable structure needs a repayment buffer. The borrower should know what the repayment would look like if the rate rose, and whether the household budget could still handle the loan without relying on perfect conditions.

This is why rate-structure comparisons should sit beside a budget check. Certainty, flexibility, and repayment comfort need to be tested together before the borrower chooses a structure.

Check how rate changes affect repayment size.
Compare offset, redraw, and extra repayment access.
Review whether the loan can be repriced or switched.
Keep a buffer for repayment changes where possible.

Example

A split loan may be considered

A split loan can fix part of the loan and leave part variable. This can give some repayment certainty while preserving some flexibility on the variable portion.

The split percentage matters. A 50/50 split behaves differently from fixing a small portion and leaving most of the loan variable. The split also needs to match the borrower's tolerance for repayment movement and need for flexible features.

A split loan is not automatically a middle ground that solves every trade-off. It still needs lender options, fees, feature access, and future plans checked.

For example, a borrower who wants offset access may need to know whether offset applies only to the variable split. A borrower planning to sell soon may need to know whether the fixed portion creates break-cost risk.

Fixing more can increase certainty but reduce flexibility.
Leaving more variable can preserve features but expose more repayment movement.
Offset may only apply to the variable part with some lenders.
The split should be reviewed before the fixed part expires.

Watch out

Check the end of the fixed period early

Fixed-rate expiry is a common review trigger. When the fixed period ends, the loan may roll to a variable revert rate unless another option is agreed.

Waiting until the final week can leave less time to compare refix, variable, split, repricing, or refinance options. It can also make document collection rushed if a refinance needs a closer review.

A useful review checks the expected repayment after expiry, lender alternatives, refinance costs, valuation timing, and whether the current structure still fits the borrower's goals.

Ask for the expected revert rate and repayment.
Check refix and split options with the current lender.
Review whether refinancing costs change the outcome.
Gather documents early if switching may be considered.

Next step

Want a broker to check this against your situation?

Share the loan goal, timing and a few key details. An emoney broker can then pick up the enquiry with the relevant context.Compare rate structures

Example

Model repayment movement before choosing

Compare repayment scenarios before choosing a rate structure, including what happens if the rate or loan term changes.

For fixed loans, model the repayment during the fixed period and the possible repayment after expiry. For variable loans, test a few rate levels so the budget conversation is not based on one number.

The calculator does not check lender policy or product restrictions. It simply helps make the repayment trade-off easier to see before a broker reviews actual loan options.

Keep the same loan amount and term when testing structures. Otherwise a lower repayment may come from a longer loan term rather than the rate structure itself.

Test the current rate, a higher rate, and a lower rate.
Check monthly and fortnightly repayment views.
Keep the same loan term when comparing rate structures.
Include fees when comparing products.

Broker note

Ask what the rate structure changes

The right conversation is bigger than fixed or variable. Ask what the rate structure changes for repayment certainty, flexibility, fees, features, break costs, and the ability to act if your situation changes.

A broker can compare available lender options and explain the trade-offs. The decision still depends on the borrower's details, current lender policy and the products available at the time.

If you are reviewing an existing loan, bring the current rate type, repayment amount, fixed expiry date, loan balance, offset balance, and plans for the next year.

If you are buying, bring the expected purchase range, deposit, preferred settlement timing, and cash buffer. Rate structure should be considered beside approval readiness and post-settlement comfort.

The broker question is practical: which structure leaves enough certainty, enough flexibility, and enough room to respond if plans change? Record the fixed expiry date or next review trigger before the choice is finalised.

What flexibility would be lost by fixing?
What budget risk remains if staying variable?
Would a split structure help or add complexity?
What happens if you sell, refinance, or repay early?

Calculator next step

Home loan repayment calculator

Test whether a loan amount, rate, term, and repayment type feel workable before taking the numbers further.

Best for: Checking repayment comfort across purchase, refinance, or rate-change scenarios.
What it calculates: Weekly, fortnightly, or monthly repayments from loan amount, rate, term, frequency, and repayment type.

A broker still needs to check fees, comparison rates, offset or redraw settings, loan structure, and policy fit.

Open Repayments

Sources used

ASIC MoneySmart choosing a home loan
ASIC MoneySmartofficial sourceChecked 29 July 2026
ASIC MoneySmart switching home loans
ASIC MoneySmartofficial sourceChecked 29 July 2026
ASIC MoneySmart mortgage calculator
ASIC MoneySmartofficial sourceChecked 29 July 2026
Reserve Bank of Australia cash rate target
Reserve Bank of Australiaofficial sourceChecked 29 July 2026

General information only

This guide is general information and does not take into account your objectives, financial situation, or needs. A broker can review your circumstances before any recommendation.

Next step

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Share the goal, timing and current loan context in Quick Check so the broker knows what needs reviewing.

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